// Copyright (C) 2019-2020 Zilliz. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software distributed under the License
// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
// or implied. See the License for the specific language governing permissions and limitations under the License.

#pragma once

#include <string>
#include <vector>

#include "utils/Status.h"

namespace milvus::server {

class Directory {
 public:
    static Status
    Initialize(const std::string& storage_path, const std::string& wal_path, const std::string& log_path);

    static Status
    Lock(const std::string& storage_path, const std::string& wal_path, std::vector<int64_t>& fd_list);

    static Status
    Access(const std::string& storage_path, const std::string& wal_path, const std::string& log_path);

 private:
    static void
    init(const std::string& path);

    static int64_t
    lock(const std::string& path);

    static void
    access_check(const std::string& path);
};

}  // namespace milvus::server
